It isn't necessary to know all the details of BIP39 to be able to use copyright - however, you would certainly take advantage of understanding somewhat over it. This post points out BIP39, the standard that defines how seed phrases are made, and summarizes how BIP32 and BIP44 standards allow https://www.animenewsnetwork.com/bbs/phpBB2/profile.php?mode=viewprofile&u=1025088